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<h1 id="sec_name">
<span data-if="hdevelop" style="display:inline;">classify_image_class_svm</span><span data-if="c" style="display:none;">T_classify_image_class_svm</span><span data-if="cpp" style="display:none;">ClassifyImageClassSvm</span><span data-if="dotnet" style="display:none;">ClassifyImageClassSvm</span><span data-if="python" style="display:none;">classify_image_class_svm</span> (算子名称)</h1>
<h2>名称</h2>
<p><code><span data-if="hdevelop" style="display:inline;">classify_image_class_svm</span><span data-if="c" style="display:none;">T_classify_image_class_svm</span><span data-if="cpp" style="display:none;">ClassifyImageClassSvm</span><span data-if="dotnet" style="display:none;">ClassifyImageClassSvm</span><span data-if="python" style="display:none;">classify_image_class_svm</span></code> — Classify an image with a support vector machine.</p>
<h2 id="sec_synopsis">参数签名</h2>
<div data-if="hdevelop" style="display:inline;">
<p>
<code><b>classify_image_class_svm</b>(<a href="#Image"><i>Image</i></a> : <a href="#ClassRegions"><i>ClassRegions</i></a> : <a href="#SVMHandle"><i>SVMHandle</i></a> : )</code></p>
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<div data-if="c" style="display:none;">
<p>
<code>Herror <b>T_classify_image_class_svm</b>(const Hobject <a href="#Image"><i>Image</i></a>, Hobject* <a href="#ClassRegions"><i>ClassRegions</i></a>, const Htuple <a href="#SVMHandle"><i>SVMHandle</i></a>)</code></p>
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<div data-if="cpp" style="display:none;">
<p>
<code>void <b>ClassifyImageClassSvm</b>(const HObject&amp; <a href="#Image"><i>Image</i></a>, HObject* <a href="#ClassRegions"><i>ClassRegions</i></a>, const HTuple&amp; <a href="#SVMHandle"><i>SVMHandle</i></a>)</code></p>
<p>
<code><a href="HRegion.html">HRegion</a> <a href="HImage.html">HImage</a>::<b>ClassifyImageClassSvm</b>(const HClassSvm&amp; <a href="#SVMHandle"><i>SVMHandle</i></a>) const</code></p>
<p>
<code><a href="HRegion.html">HRegion</a> <a href="HClassSvm.html">HClassSvm</a>::<b>ClassifyImageClassSvm</b>(const HImage&amp; <a href="#Image"><i>Image</i></a>) const</code></p>
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<p>
<code>static void <a href="HOperatorSet.html">HOperatorSet</a>.<b>ClassifyImageClassSvm</b>(<a href="HObject.html">HObject</a> <a href="#Image"><i>image</i></a>, out <a href="HObject.html">HObject</a> <a href="#ClassRegions"><i>classRegions</i></a>, <a href="HTuple.html">HTuple</a> <a href="#SVMHandle"><i>SVMHandle</i></a>)</code></p>
<p>
<code><a href="HRegion.html">HRegion</a> <a href="HImage.html">HImage</a>.<b>ClassifyImageClassSvm</b>(<a href="HClassSvm.html">HClassSvm</a> <a href="#SVMHandle"><i>SVMHandle</i></a>)</code></p>
<p>
<code><a href="HRegion.html">HRegion</a> <a href="HClassSvm.html">HClassSvm</a>.<b>ClassifyImageClassSvm</b>(<a href="HImage.html">HImage</a> <a href="#Image"><i>image</i></a>)</code></p>
</div>
<div data-if="python" style="display:none;">
<p>
<code>def <b>classify_image_class_svm</b>(<a href="#Image"><i>image</i></a>: HObject, <a href="#SVMHandle"><i>svmhandle</i></a>: HHandle) -&gt; HObject</code></p>
</div>
<h2 id="sec_description">描述</h2>
<p><code><span data-if="hdevelop" style="display:inline">classify_image_class_svm</span><span data-if="c" style="display:none">classify_image_class_svm</span><span data-if="cpp" style="display:none">ClassifyImageClassSvm</span><span data-if="com" style="display:none">ClassifyImageClassSvm</span><span data-if="dotnet" style="display:none">ClassifyImageClassSvm</span><span data-if="python" style="display:none">classify_image_class_svm</span></code> performs a pixel classification
with the support vector machine (SVM) <a href="#SVMHandle"><i><code><span data-if="hdevelop" style="display:inline">SVMHandle</span><span data-if="c" style="display:none">SVMHandle</span><span data-if="cpp" style="display:none">SVMHandle</span><span data-if="com" style="display:none">SVMHandle</span><span data-if="dotnet" style="display:none">SVMHandle</span><span data-if="python" style="display:none">svmhandle</span></code></i></a> on the
multichannel image <a href="#Image"><i><code><span data-if="hdevelop" style="display:inline">Image</span><span data-if="c" style="display:none">Image</span><span data-if="cpp" style="display:none">Image</span><span data-if="com" style="display:none">Image</span><span data-if="dotnet" style="display:none">image</span><span data-if="python" style="display:none">image</span></code></i></a>. Before calling
<code><span data-if="hdevelop" style="display:inline">classify_image_class_svm</span><span data-if="c" style="display:none">classify_image_class_svm</span><span data-if="cpp" style="display:none">ClassifyImageClassSvm</span><span data-if="com" style="display:none">ClassifyImageClassSvm</span><span data-if="dotnet" style="display:none">ClassifyImageClassSvm</span><span data-if="python" style="display:none">classify_image_class_svm</span></code> the SVM must be trained with
<a href="train_class_svm.html"><code><span data-if="hdevelop" style="display:inline">train_class_svm</span><span data-if="c" style="display:none">train_class_svm</span><span data-if="cpp" style="display:none">TrainClassSvm</span><span data-if="com" style="display:none">TrainClassSvm</span><span data-if="dotnet" style="display:none">TrainClassSvm</span><span data-if="python" style="display:none">train_class_svm</span></code></a>.  <a href="#Image"><i><code><span data-if="hdevelop" style="display:inline">Image</span><span data-if="c" style="display:none">Image</span><span data-if="cpp" style="display:none">Image</span><span data-if="com" style="display:none">Image</span><span data-if="dotnet" style="display:none">image</span><span data-if="python" style="display:none">image</span></code></i></a> must have
<code><span data-if="hdevelop" style="display:inline">NumFeatures</span><span data-if="c" style="display:none">NumFeatures</span><span data-if="cpp" style="display:none">NumFeatures</span><span data-if="com" style="display:none">NumFeatures</span><span data-if="dotnet" style="display:none">numFeatures</span><span data-if="python" style="display:none">num_features</span></code> channels, as specified with
<a href="create_class_svm.html"><code><span data-if="hdevelop" style="display:inline">create_class_svm</span><span data-if="c" style="display:none">create_class_svm</span><span data-if="cpp" style="display:none">CreateClassSvm</span><span data-if="com" style="display:none">CreateClassSvm</span><span data-if="dotnet" style="display:none">CreateClassSvm</span><span data-if="python" style="display:none">create_class_svm</span></code></a>.  On output, <a href="#ClassRegions"><i><code><span data-if="hdevelop" style="display:inline">ClassRegions</span><span data-if="c" style="display:none">ClassRegions</span><span data-if="cpp" style="display:none">ClassRegions</span><span data-if="com" style="display:none">ClassRegions</span><span data-if="dotnet" style="display:none">classRegions</span><span data-if="python" style="display:none">class_regions</span></code></i></a> contains
<code><span data-if="hdevelop" style="display:inline">NumClasses</span><span data-if="c" style="display:none">NumClasses</span><span data-if="cpp" style="display:none">NumClasses</span><span data-if="com" style="display:none">NumClasses</span><span data-if="dotnet" style="display:none">numClasses</span><span data-if="python" style="display:none">num_classes</span></code> regions as the result of the classification. Note
that the order of the regions that are returned in
<a href="#ClassRegions"><i><code><span data-if="hdevelop" style="display:inline">ClassRegions</span><span data-if="c" style="display:none">ClassRegions</span><span data-if="cpp" style="display:none">ClassRegions</span><span data-if="com" style="display:none">ClassRegions</span><span data-if="dotnet" style="display:none">classRegions</span><span data-if="python" style="display:none">class_regions</span></code></i></a> corresponds to the order of the classes as
defined by the training regions in
<a href="add_samples_image_class_svm.html"><code><span data-if="hdevelop" style="display:inline">add_samples_image_class_svm</span><span data-if="c" style="display:none">add_samples_image_class_svm</span><span data-if="cpp" style="display:none">AddSamplesImageClassSvm</span><span data-if="com" style="display:none">AddSamplesImageClassSvm</span><span data-if="dotnet" style="display:none">AddSamplesImageClassSvm</span><span data-if="python" style="display:none">add_samples_image_class_svm</span></code></a>.
</p>
<p>To prevent that the SVM assigns pixels that lie outside the
convex hull of the training data in the feature space to one of the
classes, it is useful in many cases to explicitly train a rejection
class by adding samples for the rejection class with
<a href="add_samples_image_class_svm.html"><code><span data-if="hdevelop" style="display:inline">add_samples_image_class_svm</span><span data-if="c" style="display:none">add_samples_image_class_svm</span><span data-if="cpp" style="display:none">AddSamplesImageClassSvm</span><span data-if="com" style="display:none">AddSamplesImageClassSvm</span><span data-if="dotnet" style="display:none">AddSamplesImageClassSvm</span><span data-if="python" style="display:none">add_samples_image_class_svm</span></code></a> and by re-training the SVM with
<a href="train_class_svm.html"><code><span data-if="hdevelop" style="display:inline">train_class_svm</span><span data-if="c" style="display:none">train_class_svm</span><span data-if="cpp" style="display:none">TrainClassSvm</span><span data-if="com" style="display:none">TrainClassSvm</span><span data-if="dotnet" style="display:none">TrainClassSvm</span><span data-if="python" style="display:none">train_class_svm</span></code></a>.
</p>
<p>An alternative for explicitly defining a rejection class is to use an SVM in
the mode <i><span data-if="hdevelop" style="display:inline">'novelty-detection'</span><span data-if="c" style="display:none">"novelty-detection"</span><span data-if="cpp" style="display:none">"novelty-detection"</span><span data-if="com" style="display:none">"novelty-detection"</span><span data-if="dotnet" style="display:none">"novelty-detection"</span><span data-if="python" style="display:none">"novelty-detection"</span></i>.  Please refer to the description in
<a href="create_class_svm.html"><code><span data-if="hdevelop" style="display:inline">create_class_svm</span><span data-if="c" style="display:none">create_class_svm</span><span data-if="cpp" style="display:none">CreateClassSvm</span><span data-if="com" style="display:none">CreateClassSvm</span><span data-if="dotnet" style="display:none">CreateClassSvm</span><span data-if="python" style="display:none">create_class_svm</span></code></a> and <a href="add_samples_image_class_svm.html"><code><span data-if="hdevelop" style="display:inline">add_samples_image_class_svm</span><span data-if="c" style="display:none">add_samples_image_class_svm</span><span data-if="cpp" style="display:none">AddSamplesImageClassSvm</span><span data-if="com" style="display:none">AddSamplesImageClassSvm</span><span data-if="dotnet" style="display:none">AddSamplesImageClassSvm</span><span data-if="python" style="display:none">add_samples_image_class_svm</span></code></a>.</p>
<h2 id="sec_execution">运行信息</h2>
<ul>
  <li>多线程类型:可重入(与非独占操作符并行运行)。</li>
<li>多线程作用域:全局(可以从任何线程调用)。</li>
  
    <li>Automatically parallelized on internal data level.</li>
  
</ul>
<h2 id="sec_parameters">参数表</h2>
  <div class="par">
<div class="parhead">
<span id="Image" class="parname"><b><code><span data-if="hdevelop" style="display:inline">Image</span><span data-if="c" style="display:none">Image</span><span data-if="cpp" style="display:none">Image</span><span data-if="com" style="display:none">Image</span><span data-if="dotnet" style="display:none">image</span><span data-if="python" style="display:none">image</span></code></b> (input_object)  </span><span>(multichannel-)image <code>→</code> <span data-if="hdevelop" style="display:inline">object</span><span data-if="dotnet" style="display:none"><a href="HImage.html">HImage</a></span><span data-if="python" style="display:none">HObject</span><span data-if="cpp" style="display:none"><a href="HImage.html">HImage</a></span><span data-if="c" style="display:none">Hobject</span> (byte / cyclic / direction / int1 / int2 / uint2 / int4 / real)</span>
</div>
<p class="pardesc">Input image.</p>
</div>
  <div class="par">
<div class="parhead">
<span id="ClassRegions" class="parname"><b><code><span data-if="hdevelop" style="display:inline">ClassRegions</span><span data-if="c" style="display:none">ClassRegions</span><span data-if="cpp" style="display:none">ClassRegions</span><span data-if="com" style="display:none">ClassRegions</span><span data-if="dotnet" style="display:none">classRegions</span><span data-if="python" style="display:none">class_regions</span></code></b> (output_object)  </span><span>region-array <code>→</code> <span data-if="hdevelop" style="display:inline">object</span><span data-if="dotnet" style="display:none"><a href="HRegion.html">HRegion</a></span><span data-if="python" style="display:none">HObject</span><span data-if="cpp" style="display:none"><a href="HRegion.html">HRegion</a></span><span data-if="c" style="display:none">Hobject *</span></span>
</div>
<p class="pardesc">Segmented classes.</p>
</div>
  <div class="par">
<div class="parhead">
<span id="SVMHandle" class="parname"><b><code><span data-if="hdevelop" style="display:inline">SVMHandle</span><span data-if="c" style="display:none">SVMHandle</span><span data-if="cpp" style="display:none">SVMHandle</span><span data-if="com" style="display:none">SVMHandle</span><span data-if="dotnet" style="display:none">SVMHandle</span><span data-if="python" style="display:none">svmhandle</span></code></b> (input_control)  </span><span>class_svm <code>→</code> <span data-if="dotnet" style="display:none"><a href="HClassSvm.html">HClassSvm</a>, </span><span data-if="dotnet" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="python" style="display:none">HHandle</span><span data-if="cpp" style="display:none"><a href="HTuple.html">HTuple</a></span><span data-if="c" style="display:none">Htuple</span><span data-if="hdevelop" style="display:inline"> (handle)</span><span data-if="dotnet" style="display:none"> (<i>IntPtr</i>)</span><span data-if="cpp" style="display:none"> (<i>HHandle</i>)</span><span data-if="c" style="display:none"> (<i>handle</i>)</span></span>
</div>
<p class="pardesc">SVM handle.</p>
</div>
<h2 id="sec_example_all">例程 (HDevelop)</h2>
<pre class="example">
read_image (Image, 'ic')
gen_rectangle1 (Board, 20, 270, 160, 420)
gen_rectangle1 (Capacitor, 359, 263, 371, 302)
gen_rectangle1 (Resistor, 200, 252, 290, 256)
gen_rectangle1 (IC, 180, 135, 216, 165)
concat_obj (Board, Capacitor, Classes)
concat_obj (Classes, Resistor, Classes)
concat_obj (Classes, IC, Classes)
create_class_svm (3, 'rbf', 0.01, 0.01, 4, 'one-versus-all', \
                  'normalization', 3, SVMHandle)
add_samples_image_class_svm (Image, Classes, SVMHandle)
train_class_svm (SVMHandle, 0.001, 'default')
reduce_class_svm (SVMHandle, 'bottom_up', 2, 0.01, SVMHandleReduced)
classify_image_class_svm (Image, ClassRegions, SVMHandleReduced)
dev_display (ClassRegions)
</pre>
<h2 id="sec_result">结果</h2>
<p>If the parameters are valid 该算子
<code><span data-if="hdevelop" style="display:inline">classify_image_class_svm</span><span data-if="c" style="display:none">classify_image_class_svm</span><span data-if="cpp" style="display:none">ClassifyImageClassSvm</span><span data-if="com" style="display:none">ClassifyImageClassSvm</span><span data-if="dotnet" style="display:none">ClassifyImageClassSvm</span><span data-if="python" style="display:none">classify_image_class_svm</span></code> 返回值 <TT>2</TT> (
      <TT>H_MSG_TRUE</TT>)
    .  If
necessary, an exception is raised.</p>
<h2 id="sec_predecessors">可能的前置算子</h2>
<p>
<code><a href="train_class_svm.html"><span data-if="hdevelop" style="display:inline">train_class_svm</span><span data-if="c" style="display:none">train_class_svm</span><span data-if="cpp" style="display:none">TrainClassSvm</span><span data-if="com" style="display:none">TrainClassSvm</span><span data-if="dotnet" style="display:none">TrainClassSvm</span><span data-if="python" style="display:none">train_class_svm</span></a></code>, 
<code><a href="read_class_svm.html"><span data-if="hdevelop" style="display:inline">read_class_svm</span><span data-if="c" style="display:none">read_class_svm</span><span data-if="cpp" style="display:none">ReadClassSvm</span><span data-if="com" style="display:none">ReadClassSvm</span><span data-if="dotnet" style="display:none">ReadClassSvm</span><span data-if="python" style="display:none">read_class_svm</span></a></code>, 
<code><a href="reduce_class_svm.html"><span data-if="hdevelop" style="display:inline">reduce_class_svm</span><span data-if="c" style="display:none">reduce_class_svm</span><span data-if="cpp" style="display:none">ReduceClassSvm</span><span data-if="com" style="display:none">ReduceClassSvm</span><span data-if="dotnet" style="display:none">ReduceClassSvm</span><span data-if="python" style="display:none">reduce_class_svm</span></a></code>
</p>
<h2 id="sec_alternatives">可替代算子</h2>
<p>
<code><a href="classify_image_class_gmm.html"><span data-if="hdevelop" style="display:inline">classify_image_class_gmm</span><span data-if="c" style="display:none">classify_image_class_gmm</span><span data-if="cpp" style="display:none">ClassifyImageClassGmm</span><span data-if="com" style="display:none">ClassifyImageClassGmm</span><span data-if="dotnet" style="display:none">ClassifyImageClassGmm</span><span data-if="python" style="display:none">classify_image_class_gmm</span></a></code>, 
<code><a href="classify_image_class_knn.html"><span data-if="hdevelop" style="display:inline">classify_image_class_knn</span><span data-if="c" style="display:none">classify_image_class_knn</span><span data-if="cpp" style="display:none">ClassifyImageClassKnn</span><span data-if="com" style="display:none">ClassifyImageClassKnn</span><span data-if="dotnet" style="display:none">ClassifyImageClassKnn</span><span data-if="python" style="display:none">classify_image_class_knn</span></a></code>, 
<code><a href="classify_image_class_mlp.html"><span data-if="hdevelop" style="display:inline">classify_image_class_mlp</span><span data-if="c" style="display:none">classify_image_class_mlp</span><span data-if="cpp" style="display:none">ClassifyImageClassMlp</span><span data-if="com" style="display:none">ClassifyImageClassMlp</span><span data-if="dotnet" style="display:none">ClassifyImageClassMlp</span><span data-if="python" style="display:none">classify_image_class_mlp</span></a></code>, 
<code><a href="classify_image_class_lut.html"><span data-if="hdevelop" style="display:inline">classify_image_class_lut</span><span data-if="c" style="display:none">classify_image_class_lut</span><span data-if="cpp" style="display:none">ClassifyImageClassLut</span><span data-if="com" style="display:none">ClassifyImageClassLut</span><span data-if="dotnet" style="display:none">ClassifyImageClassLut</span><span data-if="python" style="display:none">classify_image_class_lut</span></a></code>, 
<code><a href="class_ndim_norm.html"><span data-if="hdevelop" style="display:inline">class_ndim_norm</span><span data-if="c" style="display:none">class_ndim_norm</span><span data-if="cpp" style="display:none">ClassNdimNorm</span><span data-if="com" style="display:none">ClassNdimNorm</span><span data-if="dotnet" style="display:none">ClassNdimNorm</span><span data-if="python" style="display:none">class_ndim_norm</span></a></code>, 
<code><a href="class_2dim_sup.html"><span data-if="hdevelop" style="display:inline">class_2dim_sup</span><span data-if="c" style="display:none">class_2dim_sup</span><span data-if="cpp" style="display:none">Class2dimSup</span><span data-if="com" style="display:none">Class2dimSup</span><span data-if="dotnet" style="display:none">Class2dimSup</span><span data-if="python" style="display:none">class_2dim_sup</span></a></code>
</p>
<h2 id="sec_see">参考其它</h2>
<p>
<code><a href="add_samples_image_class_svm.html"><span data-if="hdevelop" style="display:inline">add_samples_image_class_svm</span><span data-if="c" style="display:none">add_samples_image_class_svm</span><span data-if="cpp" style="display:none">AddSamplesImageClassSvm</span><span data-if="com" style="display:none">AddSamplesImageClassSvm</span><span data-if="dotnet" style="display:none">AddSamplesImageClassSvm</span><span data-if="python" style="display:none">add_samples_image_class_svm</span></a></code>, 
<code><a href="create_class_svm.html"><span data-if="hdevelop" style="display:inline">create_class_svm</span><span data-if="c" style="display:none">create_class_svm</span><span data-if="cpp" style="display:none">CreateClassSvm</span><span data-if="com" style="display:none">CreateClassSvm</span><span data-if="dotnet" style="display:none">CreateClassSvm</span><span data-if="python" style="display:none">create_class_svm</span></a></code>
</p>
<h2 id="sec_module">模块</h2>
<p>
Foundation</p>
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